CVE-2012-3496

Sažetak

XENMEM_populate_physmap in Xen 4.0, 4.1, and 4.2, and Citrix XenServer 6.0.2 and earlier, when translating paging mode is not used, allows local PV OS guest kernels to cause a denial of service (BUG triggered and host crash) via invalid flags such as MEMF_populate_on_demand.

Reference

http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00003.html
http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html
http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00012.html
http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html
http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.html
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html
http://lists.xen.org/archives/html/xen-announce/2012-09/msg00002.html
http://secunia.com/advisories/50472
http://secunia.com/advisories/50530
http://secunia.com/advisories/51413
http://secunia.com/advisories/55082
http://security.gentoo.org/glsa/glsa-201309-24.xml
http://securitytracker.com/id?1027481
http://support.citrix.com/article/CTX134708
http://wiki.xen.org/wiki/Security_Announcements#XSA-14_XENMEM_populate_physmap_DoS_vulnerability
http://www.debian.org/security/2012/dsa-2544
http://www.openwall.com/lists/oss-security/2012/09/05/7
http://www.osvdb.org/85200
http://www.securityfocus.com/bid/55412
https://bugzilla.redhat.com/show_bug.cgi?id=854590
https://exchange.xforce.ibmcloud.com/vulnerabilities/78267
https://security.gentoo.org/glsa/201604-03

CVSS

Base:	4.7
Impact:	6.9
Exploitability:	3.4

Pristup

Vektor	Složenost	Autentikacija
LOCAL	MEDIUM	NONE

Impact

Povjerljivost	Cjelovitost	Dostupnost
NONE	NONE	COMPLETE

CVSS vektor

AV:L/AC:M/Au:N/C:N/I:N/A:C

Zadnje važnije ažuriranje

29-08-2017 - 01:31

Objavljeno

23-11-2012 - 20:55